Home / 133,077.56-199,612.98-54,191.57

Finding the Fourth Proportional to 133,077.56, 199,612.98 and 54,191.57

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Solution

The fourth proportional to 133,077.56, 199,612.98 and 54,191.57 is: 81,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.56 : 199,612.98 = 54,191.57 : x
  2. Step 2: Convert to fraction form
    133,077.56/199,612.98 = 54,191.57/x
  3. Step 3: Cross multiply
    133,077.56x = 199,612.98 × 54,191.57
  4. Step 4: Simplify right side
    133,077.56x = 10,817,339,780.51
  5. Step 5: Solve for x
    x = 10,817,339,780.51/133,077.56
  6. Step 6: Final answer
    x = 81,285.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.